Table Of Contents - ELNA eXperience 620 Service Manual

WHAT TO DO WHEN .................................................................................. 1-3
SERVICE ACCESS (1) FACE COVER........................................................... 4
SERVICE ACCESS (2) TOP COVER ............................................................. 5
SERVICE ACCESS (3) BELT COVER ........................................................... 6
SERVICE ACCESS (4) BED COVER & BASE............................................... 7
SERVICE ACCESS (5) FRONT COVER ........................................................ 8
SERVICE ACCESS (6) REAR COVER .......................................................... 9
ADJUSTING PRESSER FOOT HEIGHT AND ALIGNMENT ....................... 10
NEEDLE DROP POSITION ALIGNMENT .................................................... 11
ADJUSTING HOOK TIMING ........................................................................ 12
ADJUSTING NEEDLE BAR ......................................................................... 13
ADJUSTING CLEARANCE BETWEEN NEEDLE AND HOOK .................... 14
ADJUSTING BACKLASH BETWEEN HOOK DRIVE GEAR
AND LOWER SHAFT GEAR ............................................................... 15
FEED DOG HEIGHT ADJUSTMENT ........................................................... 16
ZIGZAG SYNCHRONIZATION..................................................................... 17
NEEDLE THREAD TENSION ...................................................................... 18
STRETCH STITCH FEED BALANCE .......................................................... 19
REPLACEMENT AND ADJUSTMENT
OF THE NEEDLE THREADER PLATE................................................ 20
CONNECTOR DIAGRAM............................................................................. 21
SELF DIAGNOSTIC TEST ...................................................................... 22-25
REPLACING PRINTED CIRCUIT BOARD "A" ............................................. 26
REPLACING PRINTED CIRCUIT BOARD "K" AND "F" ............................... 27
REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION ...... 28
REPLACING THE FUSES............................................................................ 29
REPLACING MACHINE SOCKET (UNIT).................................................... 30
REPLACING THE TRANSFORMER ............................................................ 31
REPLACING THE ZIGZAG WIDTH MOTOR ............................................... 32
REPLACING FEED STEPPING MOTOR..................................................... 33
ADJUSTING BUTTONHOLE LEVER POSITION......................................... 34
ADJUSTING THE BOBBIN WINDING SWITCH .......................................... 35
OILING ......................................................................................................... 36
CONTENTS